Andrea Zuckerman arrives in town for a visit as the gang prepares to go to their five-year high school reunion at West Beverly High. She reveals her troubled life and failed marriage to Brandon. Meanwhile, Donna becomes jealous about a Rolling Stones magazine article detailing Noah's single status, which prompts her to sneak away from the dance to the Peach Pit After Dark to see if Noah will be true to her. Valerie creates a new persona for herself and David in order to fit in at the reunion. Steve's macho image takes over when an old girlfriend, Rhonda, drives him away from his date, Janet, and leads him into a prank. Elsewhere, Kelly also deals with a former boyfriend, Ross Webber, who is attending the reunion.